===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.557
retrieving revision 1.558
diff -u -r1.557 -r1.558
--- src/usr.bin/tmux/tmux.1	2017/06/04 08:02:20	1.557
+++ src/usr.bin/tmux/tmux.1	2017/06/04 08:25:57	1.558
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.557 2017/06/04 08:02:20 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.558 2017/06/04 08:25:57 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -199,7 +199,6 @@
 .Ql _ ) .
 .It Fl v
 Request verbose logging.
-This option may be specified multiple times for increasing verbosity.
 Log messages will be saved into
 .Pa tmux-client-PID.log
 and
@@ -207,6 +206,22 @@
 files in the current directory, where
 .Em PID
 is the PID of the server or client process.
+.Pp
+If
+.Fl v
+is specified twice, an additional
+.Pa tmux-out-PID.log
+file is generated with a copy of everything
+.Nm
+writes to the terminal.
+.Pp
+The
+.Dv SIGUSR2
+signal may be sent to the
+.Nm
+server process to toggle logging between on (as if
+.Fl v
+was given) and off.
 .It Ar command Op Ar flags
 This specifies one of a set of commands used to control
 .Nm ,